Abstract: A deposit of a silica base layer is formed on the surface of a glass product by projecting on a hot surface of the product, in a non confined ambient atmosphere, a gaseous mixture having a silane content lower than 2%, an oxygen content between 3.5 and 30%, and advantageously a hydrogen content lower than 5%. The surface of the object to be treated is advantageously heated immediately before being sent to the injection station.
Type:
Grant
Filed:
November 28, 1994
Date of Patent:
December 7, 1999
Assignee:
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
Inventors:
Sami Dick, Bernard Genies, Lahcen Ougarane, Patrick Recourt